71105790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:358

約数の個数: 128

約数和(自身を含む): 209018880

約数和(自身を除く): 137913090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 71, 95, 105, 114, 133, 142, 190, 210, 213, 251, 266, 285, 355, 399, 426, 497, 502, 570, 665, 710, 753, 798, 994, 1065, 1255, 1330, 1349, 1491, 1506, 1757, 1995, 2130, 2485, 2510, 2698, 2982, 3514, 3765, 3990, 4047, 4769, 4970, 5271, 6745, 7455, 7530, 8094, 8785, 9443, 9538, 10542, 13490, 14307, 14910, 17570, 17821, 18886, 20235, 23845, 26355, 28329, 28614, 33383, 35642, 40470, 47215, 47690, 52710, 53463, 56658, 66766, 71535, 89105, 94430, 100149, 106926, 124747, 141645, 143070, 166915, 178210, 200298, 249494, 267315, 283290, 333830, 338599, 374241, 500745, 534630, 623735, 677198, 748482, 1001490, 1015797, 1247470, 1692995, 1871205, 2031594, 2370193, 3385990, 3742410, 4740386, 5078985, 7110579, 10157970, 11850965, 14221158, 23701930, 35552895, 71105790]

約数ペア:

[(1, 71105790), (2, 35552895), (3, 23701930), (5, 14221158), (6, 11850965), (7, 10157970), (10, 7110579), (14, 5078985), (15, 4740386), (19, 3742410), (21, 3385990), (30, 2370193), (35, 2031594), (38, 1871205), (42, 1692995), (57, 1247470), (70, 1015797), (71, 1001490), (95, 748482), (105, 677198), (114, 623735), (133, 534630), (142, 500745), (190, 374241), (210, 338599), (213, 333830), (251, 283290), (266, 267315), (285, 249494), (355, 200298), (399, 178210), (426, 166915), (497, 143070), (502, 141645), (570, 124747), (665, 106926), (710, 100149), (753, 94430), (798, 89105), (994, 71535), (1065, 66766), (1255, 56658), (1330, 53463), (1349, 52710), (1491, 47690), (1506, 47215), (1757, 40470), (1995, 35642), (2130, 33383), (2485, 28614), (2510, 28329), (2698, 26355), (2982, 23845), (3514, 20235), (3765, 18886), (3990, 17821), (4047, 17570), (4769, 14910), (4970, 14307), (5271, 13490), (6745, 10542), (7455, 9538), (7530, 9443), (8094, 8785)]